LIQUID SEALED DAMPER FOR OPENING AND CLOSING MEMBER
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United States of America
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N/A
Issued Date -
Apr 28, 2022
app pub date -
Oct 21, 2021
filing date -
Oct 21, 2021
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed; an auxiliary liquid chamber having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has a substantially circular surface forming a wall portion of the main liquid chamber. An opening portion at one end of the orifice passage is formed in the circular surface. The opening portion is formed to extend from an outer edge portion to a central portion of the circular surface.
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